How many chromosomes are present in pigeon cells?
a) 80 (40 pairs)
b) 16 (8pairs)
c) 14 (7pairs)
d) 48 (24 pairs)
Which of the following column of chromosome number is true?
Garden pea Onion Tobacco
a) 26 28 80
b) 15 17 49
c) 14 16 48
d) 13 16 18
The growth and reproduction of eukaryotic cell is dependent upon its…
a) cytoplasm
b) nucleus
c) vacuoles
d) mitochondria
Centrosome is required for……
a) replication of DNA
b) pole-ward movement of chromosomes
c) chromosome coiling
d) cytoplasmic cleavage
Biologists have divided into……..types.
a) two
b) three
c) four
d) five
Explanation: 1. Prokaryotic cells and
2. Eukaryotic cells
The difference between prokaryotic and eukaryotic cells is mainly based on upon the structure of their of ………
a) Golgi apparatus
b) nucleolus
c) nucleus
d) mitochondria
Explanation: eukaryotes have well defined nucleus surrounded by membranes